dependencies:
 moengage_inbox: $latestVersion

import 'package:moengage_inbox/moengage_inbox.dart';
MoEngageInbox _moEngageInbox = MoEngageInbox(YOUR_WORKSPACE_ID);
InboxData data = await _moEngageInbox.fetchAllMessages();

class InboxData {
  /// Native platform from which the callback was triggered.
  String platform;

  /// List of [InboxMessage]
  List messages;
}

class InboxMessage {
  /// internal identifier used by the SDK for storage.
  int id;

  /// Unique identifier for a message.
  String campaignId;

  /// Text content of the message. Instance of [TextContent]
  TextContent textContent;

  /// true if the message has been clicked by the user else false
  bool isClicked;

  /// Media content associated with the message.
  Media? media;

  /// List of actions to be executed on click.
  List action;

  /// Tag associated to the message.
  String tag;

  /// The time in which the message was received on the device.
  ///
  /// Format - ISO-8601 yyyy-MM-dd'T'HH:mm:ss'Z'
  String receivedTime;

  /// The time at which the message expiry.
  ///
  /// Format - ISO-8601 yyyy-MM-dd'T'HH:mm:ss'Z'
  String expiry;

  /// Complete message payload.
  Map<String, dynamic> payload;
  
  /// A key representing the group to which the inbox message belongs.
  /// @since 9.0.0
  String groupKey;

  /// Notification Replacement Id.
  /// @since 9.0.0
  String notificationId;

  /// The timestamp indicating when the message was sent.
  ///
  /// Format - ISO-8601 yyyy-MM-dd'T'HH:mm:ss'Z'
  /// @since 9.0.0
  String sentTime;
}

class TextContent {
  /// Title string for the inbox message.
  String title;

  /// Message string for the inbox message.
  String message;

  /// Summary string for the inbox message.
  ///
  /// Note: This is present for Android Platform.
  String summary;

  /// Subtitle string for the inbox message.
  ///
  /// Note: This is present only for the iOS Platform.
  String subtitle;
}

class Media {
  /// Content type of the Media.
  MediaType mediaType;

  /// Url for the media content. Generally a http(s) url.
  String url;

  /// Defines the accessibility properties for the media model
  /// @since 9.0.0
  AccessibilityData? accessibilityData;
}
      
class AccessibilityData {
  /// Text for the AccessibilityData
  String? text;

  /// Hint for the AccessibilityData. Applicable only for iOS Platform
  String? hint;
}
      
class Action {
  /// ActionType - navigation
  ActionType actionType;
}

class NavigationAction extends Action {
  ///navigation type deepLink/richLanding/screenName
  NavigationType navigationType;

  String value;

  Map<String, dynamic> kvPair;
}

MoEngageInbox _moEngageInbox = MoEngageInbox(YOUR_WORKSPACE_ID);
int count = await _moEngageInbox.getUnClickedCount();

MoEngageInbox _moEngageInbox = MoEngageInbox(YOUR_APP_D);
_moEngageInbox.trackMessageClicked(message);  //Pass the instance of InboxMessage here

MoEngageInbox _moEngageInbox = MoEngageInbox(YOUR_WORKSPACE_ID);
_moEngageInbox.deleteMessage(message);  //Pass the instance of InboxMessage here